<template>
	<view class="content">
		<view class="navbar">
			<view v-for="(item, index) in navList" :key="index" class="nav-item"
				:class="{current: tabCurrentIndex === index}" @click="tabClick(index)">
				{{item.text}}
			</view>
		</view>

		<swiper :current="tabCurrentIndex" class="swiper-box" duration="300" @change="changeTab">
			<swiper-item class="tab-content" v-for="(tabItem,tabIndex) in navList" :key="tabIndex">
				<scroll-view class="list-scroll-content" scroll-y @scrolltolower="loadData">
					<!-- 空白页 -->
					<empty v-if="tabItem.loaded === true && tabItem.orderList.length === 0"></empty>

					<!-- 订单列表 -->
					<view v-for="(item,index) in tabItem.orderList" :key="index" class="order-item" @click="godetail(item)">
						<view class="i-top b-b">
							<text class="time">订单号:{{item.orderno}}</text>
							<text class="state" :style="{color: item.stateTipColor}">{{item.stateTip}}</text>

						</view>

						<view class="goods-box-single" v-for="(goodsItem, goodsIndex) in item.order_product"
							:key="goodsIndex">
							<image class="goods-img" :src="goodsItem.product_image" mode="aspectFill"></image>
							<view class="right">
								<text class="title clamp">{{goodsItem.product_title}}</text>
								<text class="attr-box">{{goodsItem.specvalue_text}} </text>
								<text class="price">{{goodsItem.total_productprice}}</text>
							</view>
						</view>

						<view class="price-box">
							共<text class="num">{{item.order_product.length}}</text>件商品 实付款
							<text class="price">{{item.pay_totalamount}}</text>
						</view>
						<view class="action-box b-t" v-if="item.pay_status =='0'">
							<button class="action-btn" @tap.stop="cancelOrder(item)">取消订单</button>
							<button class="action-btn recom" @tap.stop="payit(item)">立即支付</button>
						</view>
					</view>

					<uni-load-more :status="tabItem.loadingType"></uni-load-more>

				</scroll-view>
			</swiper-item>
		</swiper>
	</view>
</template>

<script>
	 
	export default {

		data() {
			return {
				tabCurrentIndex: 0,

				pagesize: 5,
				navList: [{
						state: 0,
						text: '全部',
						loadingType: 'more',
						page: 1,
						orderList: [],

					},
					{
						state: 1,
						text: '待付款',
						loadingType: 'more',
						page: 1,
						orderList: []
					},
					{
						state: 2,
						text: '待发货',
						loadingType: 'more',
						page: 1,
						orderList: []
					},
					{
						state: 3,
						text: '待收货',
						loadingType: 'more',
						page: 1,
						orderList: []
					},
					{
						state: 4,
						text: '已完成',
						loadingType: 'more',
						page: 1,
						orderList: []
					}
				],
			};
		},

		onLoad(options) {
			/**
			 * 修复app端点击除全部订单外的按钮进入时不加载数据的问题
			 * 替换onLoad下代码即可
			 */

			options.state || (options.state = 0);
			let state = options.state;
			this.tabCurrentIndex = +state;

			this.loadData()

		},

		methods: {
			//获取订单列表
			loadData(source) {
				//这里是将订单挂载到tab列表下
				let index = this.tabCurrentIndex;
				let navItem = this.navList[index];
				let state = navItem.state;

				if (source === 'tabChange' && navItem.loaded === true) {
					//tab切换只有第一次需要加载数据
					return;
				}
				if (navItem.loadingType === 'loading') {
					//防止重复加载
					return;
				}
				let params = {
					pagesize: this.pagesize,
					page: navItem.page
				};
				if (state == 1) { //待付款
					params.pay_status = 0;
				} else if (state == 2) { //待发货
					params.trans_status = 0;
				} else if (state == 3) { //待收货
					params.trans_status = 2;
				} else if (state == 4) {//已完成
					params.pay_status = 1;
				}
				 
				let that = this;
				navItem.loadingType = 'loading';
				this.$util.req("/order/getList", params, true, function(res) {
					res.data.forEach(item => {
						let {stateTip,stateTipColor} = that.orderStateExp(item.pay_status,item.trans_status,item.status);
					console.log("返回的item");
					item.stateTip = stateTip;
					item.stateTipColor = stateTipColor;
					 
						navItem.orderList.push(item);
					});
					that.$set(navItem, 'loaded', true);
					navItem.loadingType = res.data.length < that.pagesize ? 'nomore' : 'more';
					navItem.page = navItem.page + 1;
				});

			},
			godetail(item){
				uni.navigateTo({
					url:"/pages/order/orderinfo?orderid="+item.id
				});
			},
			//swiper 切换
			changeTab(e) {
				console.log("在changeTab");
				this.tabCurrentIndex = e.target.current;
				this.loadData('tabChange');
			},
			//顶部tab点击
			tabClick(index) {
				this.tabCurrentIndex = index;
				console.log("在tabclick中");
			},
			//删除订单
			deleteOrder(index) {
				uni.showLoading({
					title: '请稍后'
				})
				setTimeout(() => {
					this.navList[this.tabCurrentIndex].orderList.splice(index, 1);
					uni.hideLoading();
				}, 600)
			},
			//取消订单
			cancelOrder(item) {
				console.log("取消订单");
			let that = this;
			this.$util.req("/order/closeOrder",{id:item.id},true,function(res){
			 
				that.$util.toast("取消完成",function(){
					
						that.loadData();
				});
			 
			});
				 
			},
			payit(item){
				uni.navigateTo({
					url:"/pages/money/pay?orderid="+item.id+"&ordertable=jyshop_order"
				});
			},

			//订单状态文字和颜色
			orderStateExp(pay_status, trans_status, status) {
				let stateTip = '',
					stateTipColor = '#fa436a';
				if (status == "2") {
					stateTip = "已关闭";
						stateTipColor = '#909399';
				} else if (status == "3") {
					stateTip = "已完成";
						stateTipColor = '#909399';
				} else {
					if (pay_status == '0') {
						stateTip = "待支付";
					} else if (trans_status == "0") {
						stateTip = "待发货";
					} else if (trans_status == "1") {
						stateTip = "已发货";
					} else if (trans_status == "2") {
						stateTip = "待收货";
					}
				}

			 
				return {
					stateTip,
					stateTipColor
				};
			}
		},
	}
</script>

<style lang="scss">
	page,
	.content {
		background: $page-color-base;
		height: 100%;
	}

	.swiper-box {
		height: calc(100% - 40px);
	}

	.list-scroll-content {
		height: 100%;
	}

	.navbar {
		display: flex;
		height: 40px;
		padding: 0 5px;
		background: #fff;
		box-shadow: 0 1px 5px rgba(0, 0, 0, .06);
		position: relative;
		z-index: 10;

		.nav-item {
			flex: 1;
			display: flex;
			justify-content: center;
			align-items: center;
			height: 100%;
			font-size: 15px;
			color: $font-color-dark;
			position: relative;

			&.current {
				color: $base-color;

				&:after {
					content: '';
					position: absolute;
					left: 50%;
					bottom: 0;
					transform: translateX(-50%);
					width: 44px;
					height: 0;
					border-bottom: 2px solid $base-color;
				}
			}
		}
	}

	.uni-swiper-item {
		height: auto;
	}

	.order-item {
		display: flex;
		flex-direction: column;
		padding-left: 30upx;
		background: #fff;
		margin-top: 16upx;

		.i-top {
			display: flex;
			align-items: center;
			height: 80upx;
			padding-right: 30upx;
			font-size: $font-base;
			color: $font-color-dark;
			position: relative;

			.time {
				flex: 1;
			}

			.state {
				color: $base-color;
			}

			.del-btn {
				padding: 10upx 0 10upx 36upx;
				font-size: $font-lg;
				color: $font-color-light;
				position: relative;

				&:after {
					content: '';
					width: 0;
					height: 30upx;
					border-left: 1px solid $border-color-dark;
					position: absolute;
					left: 20upx;
					top: 50%;
					transform: translateY(-50%);
				}
			}
		}

		/* 多条商品 */
		.goods-box {
			height: 160upx;
			padding: 20upx 0;
			white-space: nowrap;

			.goods-item {
				width: 120upx;
				height: 120upx;
				display: inline-block;
				margin-right: 24upx;
			}

			.goods-img {
				display: block;
				width: 100%;
				height: 100%;
			}
		}

		/* 单条商品 */
		.goods-box-single {
			display: flex;
			padding: 20upx 0;

			.goods-img {
				display: block;
				width: 120upx;
				height: 120upx;
			}

			.right {
				flex: 1;
				display: flex;
				flex-direction: column;
				padding: 0 30upx 0 24upx;
				overflow: hidden;

				.title {
					font-size: $font-base + 2upx;
					color: $font-color-dark;
					line-height: 1;
				}

				.attr-box {
					font-size: $font-sm + 2upx;
					color: $font-color-light;
					padding: 10upx 12upx;
				}

				.price {
					font-size: $font-base + 2upx;
					color: $font-color-dark;

					&:before {
						content: '￥';
						font-size: $font-sm;
						margin: 0 2upx 0 8upx;
					}
				}
			}
		}

		.price-box {
			display: flex;
			justify-content: flex-end;
			align-items: baseline;
			padding: 20upx 30upx;
			font-size: $font-sm + 2upx;
			color: $font-color-light;

			.num {
				margin: 0 8upx;
				color: $font-color-dark;
			}

			.price {
				font-size: $font-lg;
				color: $font-color-dark;

				&:before {
					content: '￥';
					font-size: $font-sm;
					margin: 0 2upx 0 8upx;
				}
			}
		}

		.action-box {
			display: flex;
			justify-content: flex-end;
			align-items: center;
			height: 100upx;
			position: relative;
			padding-right: 30upx;
		}

		.action-btn {
			width: 160upx;
			height: 60upx;
			margin: 0;
			margin-left: 24upx;
			padding: 0;
			text-align: center;
			line-height: 60upx;
			font-size: $font-sm + 2upx;
			color: $font-color-dark;
			background: #fff;
			border-radius: 100px;

			&:after {
				border-radius: 100px;
			}

			&.recom {
				background: #fff9f9;
				color: $base-color;

				&:after {
					border-color: #f7bcc8;
				}
			}
		}
	}


	/* load-more */
	.uni-load-more {
		display: flex;
		flex-direction: row;
		height: 80upx;
		align-items: center;
		justify-content: center
	}

	.uni-load-more__text {
		font-size: 28upx;
		color: #999
	}

	.uni-load-more__img {
		height: 24px;
		width: 24px;
		margin-right: 10px
	}

	.uni-load-more__img>view {
		position: absolute
	}

	.uni-load-more__img>view view {
		width: 6px;
		height: 2px;
		border-top-left-radius: 1px;
		border-bottom-left-radius: 1px;
		background: #999;
		position: absolute;
		opacity: .2;
		transform-origin: 50%;
		animation: load 1.56s ease infinite
	}

	.uni-load-more__img>view view:nth-child(1) {
		transform: rotate(90deg);
		top: 2px;
		left: 9px
	}

	.uni-load-more__img>view view:nth-child(2) {
		transform: rotate(180deg);
		top: 11px;
		right: 0
	}

	.uni-load-more__img>view view:nth-child(3) {
		transform: rotate(270deg);
		bottom: 2px;
		left: 9px
	}

	.uni-load-more__img>view view:nth-child(4) {
		top: 11px;
		left: 0
	}

	.load1,
	.load2,
	.load3 {
		height: 24px;
		width: 24px
	}

	.load2 {
		transform: rotate(30deg)
	}

	.load3 {
		transform: rotate(60deg)
	}

	.load1 view:nth-child(1) {
		animation-delay: 0s
	}

	.load2 view:nth-child(1) {
		animation-delay: .13s
	}

	.load3 view:nth-child(1) {
		animation-delay: .26s
	}

	.load1 view:nth-child(2) {
		animation-delay: .39s
	}

	.load2 view:nth-child(2) {
		animation-delay: .52s
	}

	.load3 view:nth-child(2) {
		animation-delay: .65s
	}

	.load1 view:nth-child(3) {
		animation-delay: .78s
	}

	.load2 view:nth-child(3) {
		animation-delay: .91s
	}

	.load3 view:nth-child(3) {
		animation-delay: 1.04s
	}

	.load1 view:nth-child(4) {
		animation-delay: 1.17s
	}

	.load2 view:nth-child(4) {
		animation-delay: 1.3s
	}

	.load3 view:nth-child(4) {
		animation-delay: 1.43s
	}

	@-webkit-keyframes load {
		0% {
			opacity: 1
		}

		100% {
			opacity: .2
		}
	}
</style>
